From 4bc2581b47c1d154494e7d30420f19decde51d42 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zlatko=20=C4=8Calu=C5=A1i=C4=87?= <zcalusic@bitsync.net>
Date: Fri, 2 Jun 2017 08:52:04 +0200
Subject: [PATCH] Check version in build.go

Print a sensible error for Go < 1.7 (the "context" package is missing there)

https://github.com/restic/restic/commit/f8dd5d5088a777fb8c66ba88dadd938a76e91c6b
---
 build.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/build.go b/build.go
index 15e92e4..fca292d 100644
--- a/build.go
+++ b/build.go
@@ -291,6 +291,12 @@ func (cs Constants) LDFlags() string {
 }
 
 func main() {
+	ver := runtime.Version()
+	if strings.HasPrefix(ver, "go1") && ver < "go1.7" {
+		fmt.Fprintf(os.Stderr, "Go version %s detected, restic requires at least Go 1.7\n", ver)
+		os.Exit(1)
+	}
+
 	buildTags := []string{}
 
 	skipNext := false